[INFO] fetching crate tinkerforge-async 0.0.6...
[INFO] checking tinkerforge-async-0.0.6 against master#3d1dba830a564d1118361345d7ada47a05241f45 for pr-132325-1
[INFO] extracting crate tinkerforge-async 0.0.6 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tinkerforge-async 0.0.6 on toolchain 3d1dba830a564d1118361345d7ada47a05241f45
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1dba830a564d1118361345d7ada47a05241f45" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tinkerforge-async 0.0.6
[INFO] finished tweaking crates.io crate tinkerforge-async 0.0.6
[INFO] tweaked toml for crates.io crate tinkerforge-async 0.0.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate tinkerforge-async 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1dba830a564d1118361345d7ada47a05241f45" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.5.5
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded tokio-macros v2.2.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.14
[INFO] [stderr]   Downloaded subtle v2.5.0
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded const-str v0.5.6
[INFO] [stderr]   Downloaded hmac v0.12.1
[INFO] [stderr]   Downloaded lock_api v0.4.11
[INFO] [stderr]   Downloaded parking_lot v0.12.1
[INFO] [stderr]   Downloaded log v0.4.20
[INFO] [stderr]   Downloaded serde v1.0.196
[INFO] [stderr]   Downloaded prometheus v0.13.3
[INFO] [stderr]   Downloaded mio v0.8.10
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded backtrace v0.3.69
[INFO] [stderr]   Downloaded cc v1.0.83
[INFO] [stderr]   Downloaded miniz_oxide v0.7.2
[INFO] [stderr]   Downloaded bytes v1.5.0
[INFO] [stderr]   Downloaded syn v2.0.49
[INFO] [stderr]   Downloaded serde_derive v1.0.196
[INFO] [stderr]   Downloaded addr2line v0.21.0
[INFO] [stderr]   Downloaded gimli v0.28.1
[INFO] [stderr]   Downloaded object v0.32.2
[INFO] [stderr]   Downloaded smallvec v1.13.1
[INFO] [stderr]   Downloaded parking_lot_core v0.9.9
[INFO] [stderr]   Downloaded rustc-demangle v0.1.23
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded thiserror-impl v1.0.57
[INFO] [stderr]   Downloaded thiserror v1.0.57
[INFO] [stderr]   Downloaded hermit-abi v0.3.6
[INFO] [stderr]   Downloaded pin-project-lite v0.2.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.78
[INFO] [stderr]   Downloaded tokio-util v0.7.10
[INFO] [stderr]   Downloaded sha-1 v0.10.1
[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] [stderr]   Downloaded tokio v1.36.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3d1dba830a564d1118361345d7ada47a05241f45" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6baf894f9f28f4b41bd80de94d466018f4387f260e73c4f75d62895d3b8ff27f
[INFO] running `Command { std: "docker" "start" "-a" "6baf894f9f28f4b41bd80de94d466018f4387f260e73c4f75d62895d3b8ff27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6baf894f9f28f4b41bd80de94d466018f4387f260e73c4f75d62895d3b8ff27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6baf894f9f28f4b41bd80de94d466018f4387f260e73c4f75d62895d3b8ff27f", kill_on_drop: false }`
[INFO] [stdout] 6baf894f9f28f4b41bd80de94d466018f4387f260e73c4f75d62895d3b8ff27f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3d1dba830a564d1118361345d7ada47a05241f45" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 774d835cb01d995fe4ed29dcc2df0abd4f7b898c357d3a26da7fd3ede1bb191b
[INFO] running `Command { std: "docker" "start" "-a" "774d835cb01d995fe4ed29dcc2df0abd4f7b898c357d3a26da7fd3ede1bb191b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking const-str v0.5.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tinkerforge-async v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ip_connection.rs:493:20
[INFO] [stdout]     |
[INFO] [stdout] 493 | struct ServerNonce([u8; 4]);
[INFO] [stdout]     |        ----------- ^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ip_connection.rs:493:20
[INFO] [stdout]     |
[INFO] [stdout] 493 | struct ServerNonce([u8; 4]);
[INFO] [stdout]     |        ----------- ^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.34s
[INFO] running `Command { std: "docker" "inspect" "774d835cb01d995fe4ed29dcc2df0abd4f7b898c357d3a26da7fd3ede1bb191b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "774d835cb01d995fe4ed29dcc2df0abd4f7b898c357d3a26da7fd3ede1bb191b", kill_on_drop: false }`
[INFO] [stdout] 774d835cb01d995fe4ed29dcc2df0abd4f7b898c357d3a26da7fd3ede1bb191b